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EN10253-4 Stainless Steel Butt Welded Fittings

Views: 9     Author: Chaos     Publish Time: 2024-02-19      Origin: Site

The EN 10253-4 standard is a production specification document for stainless steel butt welded pipe fittings, which specifies the dimensions, tolerance, and material properties of stainless steel butt welded pipe fittings. Stainless steel butt welded pipe fittings are widely used pipeline connecting components in the industrial field, made of stainless steel material, with corrosion resistance and high temperature resistance.

Performance Requirement

The EN 10253-4 standard for stainless steel butt welded pipe fittings also specifies the mechanical properties and testing methods of the fittings, such as tensile strength, yield strength, elongation, etc., to ensure that the fittings can withstand sufficient pressure and stress during use.

The EN10253-4 stainless steel butt welded pipe standard includes more than 20 European standard stainless steel materials, including X2CrNi18-9(1.4307)、X2CrNi19-11(1.4306)、X2CrNiN18-10(1.4311)、X5CrNi18-10(1.4301)、X6CrNiTi18-10(1.4541)、X6CrNiNb18-10(1.4550)、X1CrNi25-21(1.4335)、X2CrNiMo17-12-2(1.4404)。Stainless steel material.The following is a table of chemical composition and mechanical performance parameters for each material grade.

Chemical Composition

Mechanical Properties

Types Of EN10253-4 Stainless Steel Butt Welded Pipe Fittings

Stainless steel fittings are commonly used to connect different parts of pipeline systems to ensure smooth fluid or gas transmission. According to the EN 10253-4 standard, the dimensions of stainless steel fittings should comply with the standard provisions to ensure interchangeability and assembly accuracy of the fittings. At the same time, the material requirements for pipe fittings should also comply with standard regulations to ensure the quality and reliability of the fittings.

The EN10253-4 standard includes various types of stainless steel butt welded pipe fittings, including 45 degree elbows, 90 degree elbows, 180 degree elbows, equal tees, reducing tees, concentric reducers, eccentric reducers, and caps.


The EN10253-4 standard has important guiding significance for the manufacturing and use of stainless steel fittings, ensuring the quality and reliability of fittings, and ensuring the normal operation and safety of pipeline systems. When selecting pipeline fittings, specific application requirements such as pressure, temperature, fluid characteristics, mechanical loads, and cost should be considered. In addition, the specific selection should also be based on the suggestions of engineers or designers to ensure that the selected fittings meet the requirements of the project.

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